It’s a busy Friday afternoon at Razor Sharp Kutz in Elk Grove’s Stonelake Landing shopping center, and owner Steav Jordan finishes up with a customer at his business that, in all likelihood, he will soon be losing.

Nematodes pose a conundrum to farmers. The worm-like microscopic creatures are everywhere. Some are parasitic, infecting plants and destroying crops — but others actually attack insect pests. The ability to target the “bad” while leaving the “good” unharmed would be a boon for agricultural production.